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Finding the Fourth Proportional to 29,385.89, 44,086.29 and 13,602.30

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Solution

The fourth proportional to 29,385.89, 44,086.29 and 13,602.30 is: 20,406.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,385.89 : 44,086.29 = 13,602.30 : x
  2. Step 2: Convert to fraction form
    29,385.89/44,086.29 = 13,602.30/x
  3. Step 3: Cross multiply
    29,385.89x = 44,086.29 × 13,602.30
  4. Step 4: Simplify right side
    29,385.89x = 599,675,174.63
  5. Step 5: Solve for x
    x = 599,675,174.63/29,385.89
  6. Step 6: Final answer
    x = 20,406.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.